1 Ian P. Howard and levels of perception -- I Brightness and lightness -- 2 Dualistic versus monistic accounts of lightness perception -- 3 Levels of brightness perception -- 4 Multiscale spatial filtering account of brightness phenomena -- II Levels of perception -- 5 Levels of motion perception -- 6 Reconciling rival interpretations of binocular rivalry -- 7 Making of a direction sensing system for the Howard Eggmobile -- 8 Levels of processing in the size-distance paradox -- 9 Level of attention: mediating between the stimulus and perception -- 10 Single cells to cellular networks -- III Eye movements and perception -- 11 Levels of fixation -- 12 Plasticity of the near response -- 13 Population coding of vergence eye movements in cortical area MST -- 14 Tendon end organs play an important role in supplying eye position information -- IV Perception of orientation and self-motion -- 15 Levels of analysis of the vestibulo-ocular reflex: a postmodern approach -- 16 Signal processing in vestibular nuclei: dissociating sensory, motor, and cognitive influences -- 17 Neural encoding of gaze dependencies during translation -- 18 Influence of rotational cues on the neural processing of gravito-inertial force -- 19 Human visual orientation in weightlessness -- 20 Three-axis approaches to ocular motor control: a role for the cerebellum -- Author index -- Subject index